interesting my version is:
mail:~ # rpm -qi gromox
Name : gromox
Version : 1.10.61.b4e1c66d
Release : lp153.13.1
Architecture: x86_64
Install Date: Mi 15 Dez 2021 08:24:27 CET
Group : Productivity/Networking/Email/Servers
Size : 6286932
License : AGPL-3.0-or-later AND GPL-2.0-only AND GPL-3.0-or-later
Signature : RSA/SHA256, Mi 15 Dez 2021 03:00:25 CET, Key ID 4f4f3f0138f63abf
Source RPM : gromox-1.10.61.b4e1c66d-lp153.13.1.src.rpm
Build Date : Mi 15 Dez 2021 01:13:19 CET
Build Host : srv-build-03
Relocations : (not relocatable)
Vendor : grommunio GmbH
URL : https://grommunio.com/
Summary : Groupware server backend with RPC, IMAP,POP3, PHP-MAPI support
internal and external the same issue